1) "If a = − 9 and b = − 6, show that (a−b) ≠ (b−a)." 2) (-3) + (-7) = (-7) +
3) Subtract − 134 from the sum of 38 and − 87.
4) Find the product of: 16 x (-36) + (-36) x -46
5) "Find each of the following products:i) (-12) x 0 x (-56) ii) (-654) x 1
6) "Verify a – (-b) = a + b for the following values of a and b. i) a = 15, b = 9
7) What will be the sign of the product, if we multiply 90 negative integers and 9 positive integers?

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